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87d2c1ff LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
87d2c1ff LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
87d2c1ff | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
87d2c1ff LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
a9cdc94f | 22 | #include <locale.h> |
87d2c1ff | 23 | #include <fcntl.h> |
ea18a4b5 | 24 | #include <fnmatch.h> |
87d2c1ff LP |
25 | #include <errno.h> |
26 | #include <stddef.h> | |
3fbf9cbb LP |
27 | #include <string.h> |
28 | #include <stdio.h> | |
29 | #include <unistd.h> | |
30 | #include <stdlib.h> | |
72f59706 | 31 | #include <time.h> |
0d43c694 | 32 | #include <getopt.h> |
585314e8 | 33 | #include <signal.h> |
50940700 | 34 | #include <sys/stat.h> |
f982e6f7 LP |
35 | #include <sys/ioctl.h> |
36 | #include <linux/fs.h> | |
87d2c1ff | 37 | |
4468addc LP |
38 | #ifdef HAVE_ACL |
39 | #include <sys/acl.h> | |
478c8269 | 40 | #include "acl-util.h" |
4468addc LP |
41 | #endif |
42 | ||
73f860db | 43 | #include "systemd/sd-journal.h" |
81527be1 | 44 | |
3fbf9cbb | 45 | #include "log.h" |
7199aa96 | 46 | #include "logs-show.h" |
72f59706 | 47 | #include "util.h" |
e5124088 | 48 | #include "path-util.h" |
68fee104 | 49 | #include "fileio.h" |
0d43c694 LP |
50 | #include "build.h" |
51 | #include "pager.h" | |
a963990f | 52 | #include "strv.h" |
ea18a4b5 | 53 | #include "set.h" |
dca6219e | 54 | #include "journal-internal.h" |
7560fffc | 55 | #include "journal-def.h" |
0284adc6 | 56 | #include "journal-verify.h" |
4da416aa | 57 | #include "journal-authenticate.h" |
f6a971bc | 58 | #include "journal-qrcode.h" |
4da416aa | 59 | #include "fsprg.h" |
c3f60ec5 | 60 | #include "unit-name.h" |
d4205751 | 61 | #include "catalog.h" |
7560fffc | 62 | |
baed47c3 | 63 | #define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE) |
250d54b5 | 64 | |
df50185b | 65 | static OutputMode arg_output = OUTPUT_SHORT; |
9fd29044 | 66 | static bool arg_utc = false; |
1b12a7b5 | 67 | static bool arg_pager_end = false; |
72f59706 | 68 | static bool arg_follow = false; |
2b8f6883 | 69 | static bool arg_full = true; |
cd4b13e0 | 70 | static bool arg_all = false; |
0d43c694 | 71 | static bool arg_no_pager = false; |
48382487 | 72 | static int arg_lines = -2; |
e91af489 | 73 | static bool arg_no_tail = false; |
43673799 | 74 | static bool arg_quiet = false; |
9e8a535f | 75 | static bool arg_merge = false; |
d121b396 | 76 | static bool arg_boot = false; |
442e2def LP |
77 | static sd_id128_t arg_boot_id = {}; |
78 | static int arg_boot_offset = 0; | |
99271804 | 79 | static bool arg_dmesg = false; |
8f14c832 | 80 | static const char *arg_cursor = NULL; |
248fc619 ZJS |
81 | static const char *arg_after_cursor = NULL; |
82 | static bool arg_show_cursor = false; | |
a963990f | 83 | static const char *arg_directory = NULL; |
8d98da3f | 84 | static char **arg_file = NULL; |
941e990d | 85 | static int arg_priorities = 0xFF; |
baed47c3 | 86 | static const char *arg_verify_key = NULL; |
feb12d3e | 87 | #ifdef HAVE_GCRYPT |
baed47c3 | 88 | static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC; |
b8547c10 | 89 | static bool arg_force = false; |
feb12d3e | 90 | #endif |
cfbc22ab LP |
91 | static usec_t arg_since, arg_until; |
92 | static bool arg_since_set = false, arg_until_set = false; | |
73083640 | 93 | static char **arg_syslog_identifier = NULL; |
b9e40524 HH |
94 | static char **arg_system_units = NULL; |
95 | static char **arg_user_units = NULL; | |
3c1668da | 96 | static const char *arg_field = NULL; |
d4205751 | 97 | static bool arg_catalog = false; |
d89d6c86 | 98 | static bool arg_reverse = false; |
3f3a438f | 99 | static int arg_journal_type = 0; |
13cbf3a5 | 100 | static const char *arg_root = NULL; |
b6741478 | 101 | static const char *arg_machine = NULL; |
50f20cfd | 102 | |
7560fffc LP |
103 | static enum { |
104 | ACTION_SHOW, | |
105 | ACTION_NEW_ID128, | |
106 | ACTION_PRINT_HEADER, | |
beec0085 | 107 | ACTION_SETUP_KEYS, |
a1a03e30 LP |
108 | ACTION_VERIFY, |
109 | ACTION_DISK_USAGE, | |
d4205751 | 110 | ACTION_LIST_CATALOG, |
54b7254c | 111 | ACTION_DUMP_CATALOG, |
f1188074 ZJS |
112 | ACTION_UPDATE_CATALOG, |
113 | ACTION_LIST_BOOTS, | |
7560fffc LP |
114 | } arg_action = ACTION_SHOW; |
115 | ||
a331b5e6 JJ |
116 | typedef struct boot_id_t { |
117 | sd_id128_t id; | |
f1188074 ZJS |
118 | uint64_t first; |
119 | uint64_t last; | |
a331b5e6 JJ |
120 | } boot_id_t; |
121 | ||
faf5077f DH |
122 | static void pager_open_if_enabled(void) { |
123 | ||
124 | if (arg_no_pager) | |
125 | return; | |
126 | ||
127 | pager_open(arg_pager_end); | |
128 | } | |
129 | ||
5ab99e07 LP |
130 | static char *format_timestamp_maybe_utc(char *buf, size_t l, usec_t t) { |
131 | ||
132 | if (arg_utc) | |
133 | return format_timestamp_utc(buf, l, t); | |
134 | ||
135 | return format_timestamp(buf, l, t); | |
136 | } | |
137 | ||
442e2def LP |
138 | static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset) { |
139 | sd_id128_t id = SD_ID128_NULL; | |
140 | int off = 0, r; | |
141 | ||
142 | if (strlen(x) >= 32) { | |
143 | char *t; | |
144 | ||
145 | t = strndupa(x, 32); | |
146 | r = sd_id128_from_string(t, &id); | |
147 | if (r >= 0) | |
148 | x += 32; | |
149 | ||
150 | if (*x != '-' && *x != '+' && *x != 0) | |
151 | return -EINVAL; | |
152 | ||
153 | if (*x != 0) { | |
154 | r = safe_atoi(x, &off); | |
155 | if (r < 0) | |
156 | return r; | |
157 | } | |
158 | } else { | |
159 | r = safe_atoi(x, &off); | |
160 | if (r < 0) | |
161 | return r; | |
162 | } | |
163 | ||
164 | if (boot_id) | |
165 | *boot_id = id; | |
166 | ||
167 | if (offset) | |
168 | *offset = off; | |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
601185b4 | 173 | static void help(void) { |
0d43c694 | 174 | |
faf5077f DH |
175 | pager_open_if_enabled(); |
176 | ||
cd4b13e0 | 177 | printf("%s [OPTIONS...] [MATCHES...]\n\n" |
15119c16 LP |
178 | "Query the journal.\n\n" |
179 | "Flags:\n" | |
eacbb4d3 ZJS |
180 | " --system Show the system journal\n" |
181 | " --user Show the user journal for the current user\n" | |
b6741478 | 182 | " -M --machine=CONTAINER Operate on local container\n" |
c736283b JSJ |
183 | " --since=DATE Start showing entries on or newer than the specified date\n" |
184 | " --until=DATE Stop showing entries on or older than the specified date\n" | |
185 | " -c --cursor=CURSOR Start showing entries from the specified cursor\n" | |
186 | " --after-cursor=CURSOR Start showing entries from after the specified cursor\n" | |
248fc619 | 187 | " --show-cursor Print the cursor after all the entries\n" |
c736283b | 188 | " -b --boot[=ID] Show data only from ID or, if unspecified, the current boot\n" |
f1188074 | 189 | " --list-boots Show terse information about recorded boots\n" |
c736283b | 190 | " -k --dmesg Show kernel message log from the current boot\n" |
248fc619 ZJS |
191 | " -u --unit=UNIT Show data only from the specified unit\n" |
192 | " --user-unit=UNIT Show data only from the specified user session unit\n" | |
73083640 | 193 | " -t --identifier=STRING Show only messages with the specified syslog identifier\n" |
248fc619 ZJS |
194 | " -p --priority=RANGE Show only messages within the specified priority range\n" |
195 | " -e --pager-end Immediately jump to end of the journal in the pager\n" | |
c736283b | 196 | " -f --follow Follow the journal\n" |
248fc619 ZJS |
197 | " -n --lines[=INTEGER] Number of journal entries to show\n" |
198 | " --no-tail Show all lines, even in follow mode\n" | |
199 | " -r --reverse Show the newest entries first\n" | |
f02d8367 | 200 | " -o --output=STRING Change journal output mode (short, short-iso,\n" |
c736283b JSJ |
201 | " short-precise, short-monotonic, verbose,\n" |
202 | " export, json, json-pretty, json-sse, cat)\n" | |
9fd29044 | 203 | " --utc Express time in Coordinated Universal Time (UTC)\n" |
248fc619 | 204 | " -x --catalog Add message explanations where available\n" |
2b8f6883 | 205 | " --no-full Ellipsize fields\n" |
248fc619 | 206 | " -a --all Show all fields, including long and unprintable\n" |
c736283b | 207 | " -q --quiet Do not show privilege warning\n" |
248fc619 ZJS |
208 | " --no-pager Do not pipe output into a pager\n" |
209 | " -m --merge Show entries from all available journals\n" | |
210 | " -D --directory=PATH Show journal files from directory\n" | |
211 | " --file=PATH Show journal file\n" | |
212 | " --root=ROOT Operate on catalog files underneath the root ROOT\n" | |
15119c16 | 213 | #ifdef HAVE_GCRYPT |
248fc619 ZJS |
214 | " --interval=TIME Time interval for changing the FSS sealing key\n" |
215 | " --verify-key=KEY Specify FSS verification key\n" | |
c736283b | 216 | " --force Force overriding of the FSS key pair with --setup-keys\n" |
15119c16 LP |
217 | #endif |
218 | "\nCommands:\n" | |
c736283b | 219 | " -h --help Show this help text\n" |
248fc619 | 220 | " --version Show package version\n" |
c736283b | 221 | " --new-id128 Generate a new 128-bit ID\n" |
248fc619 | 222 | " --header Show journal header information\n" |
c736283b JSJ |
223 | " --disk-usage Show total disk usage of all journal files\n" |
224 | " -F --field=FIELD List all values that a specified field takes\n" | |
248fc619 ZJS |
225 | " --list-catalog Show message IDs of all entries in the message catalog\n" |
226 | " --dump-catalog Show entries in the message catalog\n" | |
227 | " --update-catalog Update the message catalog database\n" | |
feb12d3e | 228 | #ifdef HAVE_GCRYPT |
c736283b | 229 | " --setup-keys Generate a new FSS key pair\n" |
248fc619 | 230 | " --verify Verify journal file consistency\n" |
feb12d3e LP |
231 | #endif |
232 | , program_invocation_short_name); | |
0d43c694 LP |
233 | } |
234 | ||
235 | static int parse_argv(int argc, char *argv[]) { | |
236 | ||
237 | enum { | |
238 | ARG_VERSION = 0x100, | |
e91af489 | 239 | ARG_NO_PAGER, |
2b8f6883 | 240 | ARG_NO_FULL, |
55ee336c | 241 | ARG_NO_TAIL, |
dca6219e | 242 | ARG_NEW_ID128, |
f1188074 | 243 | ARG_LIST_BOOTS, |
3f3a438f ZJS |
244 | ARG_USER, |
245 | ARG_SYSTEM, | |
13cbf3a5 | 246 | ARG_ROOT, |
7560fffc | 247 | ARG_HEADER, |
beec0085 | 248 | ARG_SETUP_KEYS, |
8d98da3f | 249 | ARG_FILE, |
baed47c3 | 250 | ARG_INTERVAL, |
4da416aa | 251 | ARG_VERIFY, |
a1a03e30 | 252 | ARG_VERIFY_KEY, |
cfbc22ab LP |
253 | ARG_DISK_USAGE, |
254 | ARG_SINCE, | |
d4205751 | 255 | ARG_UNTIL, |
248fc619 ZJS |
256 | ARG_AFTER_CURSOR, |
257 | ARG_SHOW_CURSOR, | |
ffa7cd15 | 258 | ARG_USER_UNIT, |
d4205751 | 259 | ARG_LIST_CATALOG, |
54b7254c | 260 | ARG_DUMP_CATALOG, |
3f3a438f | 261 | ARG_UPDATE_CATALOG, |
b8547c10 | 262 | ARG_FORCE, |
9fd29044 | 263 | ARG_UTC, |
0d43c694 LP |
264 | }; |
265 | ||
266 | static const struct option options[] = { | |
248fc619 ZJS |
267 | { "help", no_argument, NULL, 'h' }, |
268 | { "version" , no_argument, NULL, ARG_VERSION }, | |
269 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
270 | { "pager-end", no_argument, NULL, 'e' }, | |
271 | { "follow", no_argument, NULL, 'f' }, | |
272 | { "force", no_argument, NULL, ARG_FORCE }, | |
273 | { "output", required_argument, NULL, 'o' }, | |
274 | { "all", no_argument, NULL, 'a' }, | |
275 | { "full", no_argument, NULL, 'l' }, | |
2b8f6883 | 276 | { "no-full", no_argument, NULL, ARG_NO_FULL }, |
248fc619 ZJS |
277 | { "lines", optional_argument, NULL, 'n' }, |
278 | { "no-tail", no_argument, NULL, ARG_NO_TAIL }, | |
279 | { "new-id128", no_argument, NULL, ARG_NEW_ID128 }, | |
280 | { "quiet", no_argument, NULL, 'q' }, | |
281 | { "merge", no_argument, NULL, 'm' }, | |
282 | { "boot", optional_argument, NULL, 'b' }, | |
f1188074 | 283 | { "list-boots", no_argument, NULL, ARG_LIST_BOOTS }, |
248fc619 ZJS |
284 | { "this-boot", optional_argument, NULL, 'b' }, /* deprecated */ |
285 | { "dmesg", no_argument, NULL, 'k' }, | |
286 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
287 | { "user", no_argument, NULL, ARG_USER }, | |
288 | { "directory", required_argument, NULL, 'D' }, | |
289 | { "file", required_argument, NULL, ARG_FILE }, | |
290 | { "root", required_argument, NULL, ARG_ROOT }, | |
291 | { "header", no_argument, NULL, ARG_HEADER }, | |
73083640 | 292 | { "identifier", required_argument, NULL, 't' }, |
248fc619 ZJS |
293 | { "priority", required_argument, NULL, 'p' }, |
294 | { "setup-keys", no_argument, NULL, ARG_SETUP_KEYS }, | |
295 | { "interval", required_argument, NULL, ARG_INTERVAL }, | |
296 | { "verify", no_argument, NULL, ARG_VERIFY }, | |
297 | { "verify-key", required_argument, NULL, ARG_VERIFY_KEY }, | |
298 | { "disk-usage", no_argument, NULL, ARG_DISK_USAGE }, | |
299 | { "cursor", required_argument, NULL, 'c' }, | |
300 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
301 | { "show-cursor", no_argument, NULL, ARG_SHOW_CURSOR }, | |
302 | { "since", required_argument, NULL, ARG_SINCE }, | |
303 | { "until", required_argument, NULL, ARG_UNTIL }, | |
304 | { "unit", required_argument, NULL, 'u' }, | |
305 | { "user-unit", required_argument, NULL, ARG_USER_UNIT }, | |
306 | { "field", required_argument, NULL, 'F' }, | |
307 | { "catalog", no_argument, NULL, 'x' }, | |
308 | { "list-catalog", no_argument, NULL, ARG_LIST_CATALOG }, | |
309 | { "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG }, | |
310 | { "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG }, | |
311 | { "reverse", no_argument, NULL, 'r' }, | |
b6741478 | 312 | { "machine", required_argument, NULL, 'M' }, |
9fd29044 | 313 | { "utc", no_argument, NULL, ARG_UTC }, |
eb9da376 | 314 | {} |
0d43c694 LP |
315 | }; |
316 | ||
2100675e | 317 | int c, r; |
0d43c694 LP |
318 | |
319 | assert(argc >= 0); | |
320 | assert(argv); | |
321 | ||
73083640 | 322 | while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:t:u:F:xrM:", options, NULL)) >= 0) |
0d43c694 LP |
323 | |
324 | switch (c) { | |
325 | ||
326 | case 'h': | |
601185b4 ZJS |
327 | help(); |
328 | return 0; | |
0d43c694 LP |
329 | |
330 | case ARG_VERSION: | |
331 | puts(PACKAGE_STRING); | |
0d43c694 LP |
332 | puts(SYSTEMD_FEATURES); |
333 | return 0; | |
334 | ||
335 | case ARG_NO_PAGER: | |
336 | arg_no_pager = true; | |
337 | break; | |
338 | ||
1b12a7b5 HH |
339 | case 'e': |
340 | arg_pager_end = true; | |
fe59e38b | 341 | |
48382487 | 342 | if (arg_lines < -1) |
fe59e38b LP |
343 | arg_lines = 1000; |
344 | ||
1b12a7b5 HH |
345 | break; |
346 | ||
0d43c694 LP |
347 | case 'f': |
348 | arg_follow = true; | |
349 | break; | |
350 | ||
351 | case 'o': | |
1705594f | 352 | arg_output = output_mode_from_string(optarg); |
df50185b | 353 | if (arg_output < 0) { |
edfb521a | 354 | log_error("Unknown output format '%s'.", optarg); |
0d43c694 LP |
355 | return -EINVAL; |
356 | } | |
df50185b | 357 | |
edfb521a ZJS |
358 | if (arg_output == OUTPUT_EXPORT || |
359 | arg_output == OUTPUT_JSON || | |
360 | arg_output == OUTPUT_JSON_PRETTY || | |
361 | arg_output == OUTPUT_JSON_SSE || | |
362 | arg_output == OUTPUT_CAT) | |
363 | arg_quiet = true; | |
364 | ||
0d43c694 LP |
365 | break; |
366 | ||
98a6e132 | 367 | case 'l': |
e3657ecd ZJS |
368 | arg_full = true; |
369 | break; | |
370 | ||
2b8f6883 ZJS |
371 | case ARG_NO_FULL: |
372 | arg_full = false; | |
373 | break; | |
374 | ||
0d43c694 | 375 | case 'a': |
cd4b13e0 | 376 | arg_all = true; |
0d43c694 LP |
377 | break; |
378 | ||
2100675e | 379 | case 'n': |
1705594f | 380 | if (optarg) { |
48382487 JJ |
381 | if (streq(optarg, "all")) |
382 | arg_lines = -1; | |
383 | else { | |
384 | r = safe_atoi(optarg, &arg_lines); | |
385 | if (r < 0 || arg_lines < 0) { | |
386 | log_error("Failed to parse lines '%s'", optarg); | |
387 | return -EINVAL; | |
388 | } | |
1705594f | 389 | } |
96088db0 | 390 | } else { |
48382487 | 391 | arg_lines = 10; |
96088db0 LP |
392 | |
393 | /* Hmm, no argument? Maybe the next | |
394 | * word on the command line is | |
395 | * supposed to be the argument? Let's | |
396 | * see if there is one, and is | |
48382487 JJ |
397 | * parsable. */ |
398 | if (optind < argc) { | |
399 | int n; | |
400 | if (streq(argv[optind], "all")) { | |
401 | arg_lines = -1; | |
402 | optind++; | |
403 | } else if (safe_atoi(argv[optind], &n) >= 0 && n >= 0) { | |
404 | arg_lines = n; | |
405 | optind++; | |
406 | } | |
407 | } | |
96088db0 | 408 | } |
1705594f | 409 | |
2100675e LP |
410 | break; |
411 | ||
e91af489 LP |
412 | case ARG_NO_TAIL: |
413 | arg_no_tail = true; | |
414 | break; | |
415 | ||
39f7f5c1 | 416 | case ARG_NEW_ID128: |
7560fffc | 417 | arg_action = ACTION_NEW_ID128; |
55ee336c LP |
418 | break; |
419 | ||
43673799 LP |
420 | case 'q': |
421 | arg_quiet = true; | |
490e567d | 422 | break; |
43673799 | 423 | |
9e8a535f LP |
424 | case 'm': |
425 | arg_merge = true; | |
2bd3c38a LP |
426 | break; |
427 | ||
59cea26a | 428 | case 'b': |
d121b396 | 429 | arg_boot = true; |
6cebe83c | 430 | |
442e2def LP |
431 | if (optarg) { |
432 | r = parse_boot_descriptor(optarg, &arg_boot_id, &arg_boot_offset); | |
433 | if (r < 0) { | |
434 | log_error("Failed to parse boot descriptor '%s'", optarg); | |
435 | return -EINVAL; | |
436 | } | |
437 | } else { | |
6cebe83c | 438 | |
442e2def LP |
439 | /* Hmm, no argument? Maybe the next |
440 | * word on the command line is | |
441 | * supposed to be the argument? Let's | |
442 | * see if there is one and is parsable | |
443 | * as a boot descriptor... */ | |
444 | ||
445 | if (optind < argc && | |
446 | parse_boot_descriptor(argv[optind], &arg_boot_id, &arg_boot_offset) >= 0) | |
6cebe83c | 447 | optind++; |
6cebe83c | 448 | } |
d121b396 | 449 | |
59cea26a LP |
450 | break; |
451 | ||
f1188074 ZJS |
452 | case ARG_LIST_BOOTS: |
453 | arg_action = ACTION_LIST_BOOTS; | |
454 | break; | |
455 | ||
99271804 | 456 | case 'k': |
d121b396 | 457 | arg_boot = arg_dmesg = true; |
99271804 ZJS |
458 | break; |
459 | ||
3f3a438f ZJS |
460 | case ARG_SYSTEM: |
461 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
462 | break; | |
463 | ||
464 | case ARG_USER: | |
465 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
466 | break; | |
467 | ||
b6741478 LP |
468 | case 'M': |
469 | arg_machine = optarg; | |
470 | break; | |
471 | ||
a963990f LP |
472 | case 'D': |
473 | arg_directory = optarg; | |
474 | break; | |
475 | ||
8d98da3f ZJS |
476 | case ARG_FILE: |
477 | r = glob_extend(&arg_file, optarg); | |
478 | if (r < 0) { | |
479 | log_error("Failed to add paths: %s", strerror(-r)); | |
480 | return r; | |
481 | }; | |
482 | break; | |
483 | ||
13cbf3a5 ZJS |
484 | case ARG_ROOT: |
485 | arg_root = optarg; | |
486 | break; | |
487 | ||
8f14c832 LP |
488 | case 'c': |
489 | arg_cursor = optarg; | |
490 | break; | |
491 | ||
248fc619 ZJS |
492 | case ARG_AFTER_CURSOR: |
493 | arg_after_cursor = optarg; | |
494 | break; | |
495 | ||
496 | case ARG_SHOW_CURSOR: | |
497 | arg_show_cursor = true; | |
498 | break; | |
499 | ||
dca6219e | 500 | case ARG_HEADER: |
7560fffc LP |
501 | arg_action = ACTION_PRINT_HEADER; |
502 | break; | |
503 | ||
feb12d3e LP |
504 | case ARG_VERIFY: |
505 | arg_action = ACTION_VERIFY; | |
506 | break; | |
507 | ||
a1a03e30 LP |
508 | case ARG_DISK_USAGE: |
509 | arg_action = ACTION_DISK_USAGE; | |
510 | break; | |
511 | ||
feb12d3e | 512 | #ifdef HAVE_GCRYPT |
b8547c10 SL |
513 | case ARG_FORCE: |
514 | arg_force = true; | |
515 | break; | |
516 | ||
7560fffc LP |
517 | case ARG_SETUP_KEYS: |
518 | arg_action = ACTION_SETUP_KEYS; | |
dca6219e LP |
519 | break; |
520 | ||
beec0085 | 521 | |
baed47c3 | 522 | case ARG_VERIFY_KEY: |
4da416aa | 523 | arg_action = ACTION_VERIFY; |
baed47c3 | 524 | arg_verify_key = optarg; |
9e8a535f | 525 | arg_merge = false; |
4da416aa LP |
526 | break; |
527 | ||
baed47c3 | 528 | case ARG_INTERVAL: |
7f602784 | 529 | r = parse_sec(optarg, &arg_interval); |
baed47c3 LP |
530 | if (r < 0 || arg_interval <= 0) { |
531 | log_error("Failed to parse sealing key change interval: %s", optarg); | |
14d10188 LP |
532 | return -EINVAL; |
533 | } | |
534 | break; | |
feb12d3e LP |
535 | #else |
536 | case ARG_SETUP_KEYS: | |
537 | case ARG_VERIFY_KEY: | |
538 | case ARG_INTERVAL: | |
b8547c10 | 539 | case ARG_FORCE: |
feb12d3e LP |
540 | log_error("Forward-secure sealing not available."); |
541 | return -ENOTSUP; | |
542 | #endif | |
14d10188 | 543 | |
941e990d LP |
544 | case 'p': { |
545 | const char *dots; | |
546 | ||
547 | dots = strstr(optarg, ".."); | |
548 | if (dots) { | |
549 | char *a; | |
550 | int from, to, i; | |
551 | ||
552 | /* a range */ | |
553 | a = strndup(optarg, dots - optarg); | |
554 | if (!a) | |
555 | return log_oom(); | |
556 | ||
557 | from = log_level_from_string(a); | |
558 | to = log_level_from_string(dots + 2); | |
559 | free(a); | |
560 | ||
561 | if (from < 0 || to < 0) { | |
562 | log_error("Failed to parse log level range %s", optarg); | |
563 | return -EINVAL; | |
564 | } | |
565 | ||
566 | arg_priorities = 0; | |
567 | ||
568 | if (from < to) { | |
569 | for (i = from; i <= to; i++) | |
570 | arg_priorities |= 1 << i; | |
571 | } else { | |
572 | for (i = to; i <= from; i++) | |
573 | arg_priorities |= 1 << i; | |
574 | } | |
575 | ||
576 | } else { | |
577 | int p, i; | |
578 | ||
579 | p = log_level_from_string(optarg); | |
580 | if (p < 0) { | |
581 | log_error("Unknown log level %s", optarg); | |
582 | return -EINVAL; | |
583 | } | |
584 | ||
585 | arg_priorities = 0; | |
586 | ||
587 | for (i = 0; i <= p; i++) | |
588 | arg_priorities |= 1 << i; | |
589 | } | |
590 | ||
591 | break; | |
592 | } | |
593 | ||
cfbc22ab LP |
594 | case ARG_SINCE: |
595 | r = parse_timestamp(optarg, &arg_since); | |
596 | if (r < 0) { | |
597 | log_error("Failed to parse timestamp: %s", optarg); | |
598 | return -EINVAL; | |
599 | } | |
600 | arg_since_set = true; | |
601 | break; | |
602 | ||
603 | case ARG_UNTIL: | |
604 | r = parse_timestamp(optarg, &arg_until); | |
605 | if (r < 0) { | |
606 | log_error("Failed to parse timestamp: %s", optarg); | |
607 | return -EINVAL; | |
608 | } | |
609 | arg_until_set = true; | |
610 | break; | |
611 | ||
73083640 HH |
612 | case 't': |
613 | r = strv_extend(&arg_syslog_identifier, optarg); | |
614 | if (r < 0) | |
615 | return log_oom(); | |
616 | break; | |
617 | ||
7199aa96 | 618 | case 'u': |
b9e40524 HH |
619 | r = strv_extend(&arg_system_units, optarg); |
620 | if (r < 0) | |
621 | return log_oom(); | |
ffa7cd15 DW |
622 | break; |
623 | ||
7199aa96 | 624 | case ARG_USER_UNIT: |
b9e40524 HH |
625 | r = strv_extend(&arg_user_units, optarg); |
626 | if (r < 0) | |
627 | return log_oom(); | |
c3f60ec5 LP |
628 | break; |
629 | ||
15119c16 LP |
630 | case 'F': |
631 | arg_field = optarg; | |
632 | break; | |
633 | ||
d4205751 LP |
634 | case 'x': |
635 | arg_catalog = true; | |
636 | break; | |
637 | ||
638 | case ARG_LIST_CATALOG: | |
639 | arg_action = ACTION_LIST_CATALOG; | |
640 | break; | |
641 | ||
54b7254c ZJS |
642 | case ARG_DUMP_CATALOG: |
643 | arg_action = ACTION_DUMP_CATALOG; | |
644 | break; | |
645 | ||
d4205751 LP |
646 | case ARG_UPDATE_CATALOG: |
647 | arg_action = ACTION_UPDATE_CATALOG; | |
648 | break; | |
649 | ||
d89d6c86 LN |
650 | case 'r': |
651 | arg_reverse = true; | |
652 | break; | |
653 | ||
9fd29044 JS |
654 | case ARG_UTC: |
655 | arg_utc = true; | |
656 | break; | |
657 | ||
eb9da376 | 658 | case '?': |
0d43c694 | 659 | return -EINVAL; |
eb9da376 LP |
660 | |
661 | default: | |
662 | assert_not_reached("Unhandled option"); | |
0d43c694 | 663 | } |
0d43c694 | 664 | |
48382487 | 665 | if (arg_follow && !arg_no_tail && arg_lines < -1) |
e91af489 LP |
666 | arg_lines = 10; |
667 | ||
b6741478 LP |
668 | if (!!arg_directory + !!arg_file + !!arg_machine > 1) { |
669 | log_error("Please specify either -D/--directory= or --file= or -M/--machine=, not more than one."); | |
8d98da3f ZJS |
670 | return -EINVAL; |
671 | } | |
672 | ||
3ba09ee8 | 673 | if (arg_since_set && arg_until_set && arg_since > arg_until) { |
cfbc22ab LP |
674 | log_error("--since= must be before --until=."); |
675 | return -EINVAL; | |
676 | } | |
677 | ||
248fc619 ZJS |
678 | if (!!arg_cursor + !!arg_after_cursor + !!arg_since_set > 1) { |
679 | log_error("Please specify only one of --since=, --cursor=, and --after-cursor."); | |
cfbc22ab LP |
680 | return -EINVAL; |
681 | } | |
682 | ||
d89d6c86 LN |
683 | if (arg_follow && arg_reverse) { |
684 | log_error("Please specify either --reverse= or --follow=, not both."); | |
685 | return -EINVAL; | |
686 | } | |
687 | ||
0b6b7c20 ZJS |
688 | if (arg_action != ACTION_SHOW && optind < argc) { |
689 | log_error("Extraneous arguments starting with '%s'", argv[optind]); | |
690 | return -EINVAL; | |
691 | } | |
692 | ||
0d43c694 LP |
693 | return 1; |
694 | } | |
695 | ||
39f7f5c1 | 696 | static int generate_new_id128(void) { |
55ee336c LP |
697 | sd_id128_t id; |
698 | int r; | |
699 | unsigned i; | |
700 | ||
701 | r = sd_id128_randomize(&id); | |
702 | if (r < 0) { | |
703 | log_error("Failed to generate ID: %s", strerror(-r)); | |
704 | return r; | |
705 | } | |
706 | ||
707 | printf("As string:\n" | |
708 | SD_ID128_FORMAT_STR "\n\n" | |
709 | "As UUID:\n" | |
710 | "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n\n" | |
711 | "As macro:\n" | |
d489071f | 712 | "#define MESSAGE_XYZ SD_ID128_MAKE(", |
55ee336c LP |
713 | SD_ID128_FORMAT_VAL(id), |
714 | SD_ID128_FORMAT_VAL(id)); | |
55ee336c LP |
715 | for (i = 0; i < 16; i++) |
716 | printf("%02x%s", id.bytes[i], i != 15 ? "," : ""); | |
d489071f | 717 | fputs(")\n\n", stdout); |
55ee336c | 718 | |
d489071f ZJS |
719 | printf("As Python constant:\n" |
720 | ">>> import uuid\n" | |
721 | ">>> MESSAGE_XYZ = uuid.UUID('" SD_ID128_FORMAT_STR "')\n", | |
722 | SD_ID128_FORMAT_VAL(id)); | |
55ee336c LP |
723 | |
724 | return 0; | |
725 | } | |
726 | ||
a963990f LP |
727 | static int add_matches(sd_journal *j, char **args) { |
728 | char **i; | |
4e602943 | 729 | bool have_term = false; |
59cea26a | 730 | |
a963990f | 731 | assert(j); |
59cea26a | 732 | |
a963990f | 733 | STRV_FOREACH(i, args) { |
52aeb63c | 734 | int r; |
59cea26a | 735 | |
4e602943 ZJS |
736 | if (streq(*i, "+")) { |
737 | if (!have_term) | |
738 | break; | |
cbdca852 | 739 | r = sd_journal_add_disjunction(j); |
4e602943 ZJS |
740 | have_term = false; |
741 | ||
742 | } else if (path_is_absolute(*i)) { | |
68fee104 | 743 | _cleanup_free_ char *p, *t = NULL, *t2 = NULL; |
e5124088 | 744 | const char *path; |
68fee104 | 745 | _cleanup_free_ char *interpreter = NULL; |
a963990f | 746 | struct stat st; |
e5124088 | 747 | |
a963990f LP |
748 | p = canonicalize_file_name(*i); |
749 | path = p ? p : *i; | |
e5124088 LP |
750 | |
751 | if (stat(path, &st) < 0) { | |
e5124088 | 752 | log_error("Couldn't stat file: %m"); |
a963990f | 753 | return -errno; |
e5124088 LP |
754 | } |
755 | ||
68fee104 ZJS |
756 | if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) { |
757 | if (executable_is_script(path, &interpreter) > 0) { | |
758 | _cleanup_free_ char *comm; | |
759 | ||
2b6bf07d | 760 | comm = strndup(basename(path), 15); |
68fee104 ZJS |
761 | if (!comm) |
762 | return log_oom(); | |
763 | ||
764 | t = strappend("_COMM=", comm); | |
765 | ||
766 | /* Append _EXE only if the interpreter is not a link. | |
73e231ab | 767 | Otherwise, it might be outdated often. */ |
68fee104 ZJS |
768 | if (lstat(interpreter, &st) == 0 && |
769 | !S_ISLNK(st.st_mode)) { | |
770 | t2 = strappend("_EXE=", interpreter); | |
771 | if (!t2) | |
772 | return log_oom(); | |
773 | } | |
774 | } else | |
775 | t = strappend("_EXE=", path); | |
7de80bfe KZ |
776 | } else if (S_ISCHR(st.st_mode)) { |
777 | if (asprintf(&t, "_KERNEL_DEVICE=c%u:%u", | |
778 | major(st.st_rdev), | |
779 | minor(st.st_rdev)) < 0) | |
780 | return -ENOMEM; | |
781 | } else if (S_ISBLK(st.st_mode)) { | |
782 | if (asprintf(&t, "_KERNEL_DEVICE=b%u:%u", | |
783 | major(st.st_rdev), | |
784 | minor(st.st_rdev)) < 0) | |
785 | return -ENOMEM; | |
786 | } else { | |
fb93cf73 | 787 | log_error("File is neither a device node, nor regular file, nor executable: %s", *i); |
a963990f | 788 | return -EINVAL; |
50940700 | 789 | } |
e5124088 | 790 | |
b6a34514 LP |
791 | if (!t) |
792 | return log_oom(); | |
793 | ||
794 | r = sd_journal_add_match(j, t, 0); | |
68fee104 ZJS |
795 | if (t2) |
796 | r = sd_journal_add_match(j, t2, 0); | |
4e602943 ZJS |
797 | have_term = true; |
798 | ||
799 | } else { | |
cbdca852 | 800 | r = sd_journal_add_match(j, *i, 0); |
4e602943 ZJS |
801 | have_term = true; |
802 | } | |
e5124088 | 803 | |
de7b95cd | 804 | if (r < 0) { |
cbdca852 | 805 | log_error("Failed to add match '%s': %s", *i, strerror(-r)); |
a963990f | 806 | return r; |
de7b95cd LP |
807 | } |
808 | } | |
809 | ||
4e602943 ZJS |
810 | if (!strv_isempty(args) && !have_term) { |
811 | log_error("\"+\" can only be used between terms"); | |
812 | return -EINVAL; | |
813 | } | |
814 | ||
a963990f LP |
815 | return 0; |
816 | } | |
817 | ||
a331b5e6 JJ |
818 | static int boot_id_cmp(const void *a, const void *b) { |
819 | uint64_t _a, _b; | |
820 | ||
f1188074 ZJS |
821 | _a = ((const boot_id_t *)a)->first; |
822 | _b = ((const boot_id_t *)b)->first; | |
a331b5e6 JJ |
823 | |
824 | return _a < _b ? -1 : (_a > _b ? 1 : 0); | |
825 | } | |
826 | ||
f1188074 ZJS |
827 | static int list_boots(sd_journal *j) { |
828 | int r; | |
829 | const void *data; | |
830 | unsigned int count = 0; | |
831 | int w, i; | |
832 | size_t length, allocated = 0; | |
833 | boot_id_t *id; | |
834 | _cleanup_free_ boot_id_t *all_ids = NULL; | |
835 | ||
836 | r = sd_journal_query_unique(j, "_BOOT_ID"); | |
837 | if (r < 0) | |
838 | return r; | |
839 | ||
840 | SD_JOURNAL_FOREACH_UNIQUE(j, data, length) { | |
841 | if (length < strlen("_BOOT_ID=")) | |
842 | continue; | |
843 | ||
844 | if (!GREEDY_REALLOC(all_ids, allocated, count + 1)) | |
845 | return log_oom(); | |
846 | ||
847 | id = &all_ids[count]; | |
848 | ||
849 | r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id); | |
850 | if (r < 0) | |
851 | continue; | |
852 | ||
853 | r = sd_journal_add_match(j, data, length); | |
854 | if (r < 0) | |
855 | return r; | |
856 | ||
857 | r = sd_journal_seek_head(j); | |
858 | if (r < 0) | |
859 | return r; | |
860 | ||
861 | r = sd_journal_next(j); | |
862 | if (r < 0) | |
863 | return r; | |
864 | else if (r == 0) | |
865 | goto flush; | |
866 | ||
867 | r = sd_journal_get_realtime_usec(j, &id->first); | |
868 | if (r < 0) | |
869 | return r; | |
870 | ||
871 | r = sd_journal_seek_tail(j); | |
872 | if (r < 0) | |
873 | return r; | |
874 | ||
875 | r = sd_journal_previous(j); | |
876 | if (r < 0) | |
877 | return r; | |
878 | else if (r == 0) | |
879 | goto flush; | |
880 | ||
881 | r = sd_journal_get_realtime_usec(j, &id->last); | |
882 | if (r < 0) | |
883 | return r; | |
884 | ||
885 | count++; | |
886 | flush: | |
887 | sd_journal_flush_matches(j); | |
888 | } | |
889 | ||
890 | qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp); | |
891 | ||
892 | /* numbers are one less, but we need an extra char for the sign */ | |
893 | w = DECIMAL_STR_WIDTH(count - 1) + 1; | |
894 | ||
895 | for (id = all_ids, i = 0; id < all_ids + count; id++, i++) { | |
896 | char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX]; | |
897 | ||
898 | printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n", | |
899 | w, i - count + 1, | |
900 | SD_ID128_FORMAT_VAL(id->id), | |
5ab99e07 LP |
901 | format_timestamp_maybe_utc(a, sizeof(a), id->first), |
902 | format_timestamp_maybe_utc(b, sizeof(b), id->last)); | |
f1188074 ZJS |
903 | } |
904 | ||
905 | return 0; | |
906 | } | |
907 | ||
a331b5e6 JJ |
908 | static int get_relative_boot_id(sd_journal *j, sd_id128_t *boot_id, int relative) { |
909 | int r; | |
910 | const void *data; | |
d121b396 | 911 | unsigned int count = 0; |
a331b5e6 | 912 | size_t length, allocated = 0; |
d121b396 | 913 | boot_id_t ref_boot_id = {SD_ID128_NULL}, *id; |
a331b5e6 | 914 | _cleanup_free_ boot_id_t *all_ids = NULL; |
a331b5e6 JJ |
915 | |
916 | assert(j); | |
917 | assert(boot_id); | |
918 | ||
a331b5e6 JJ |
919 | r = sd_journal_query_unique(j, "_BOOT_ID"); |
920 | if (r < 0) | |
921 | return r; | |
922 | ||
923 | SD_JOURNAL_FOREACH_UNIQUE(j, data, length) { | |
924 | if (length < strlen("_BOOT_ID=")) | |
925 | continue; | |
926 | ||
d121b396 | 927 | if (!GREEDY_REALLOC(all_ids, allocated, count + 1)) |
a331b5e6 JJ |
928 | return log_oom(); |
929 | ||
d121b396 | 930 | id = &all_ids[count]; |
a331b5e6 JJ |
931 | |
932 | r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id); | |
d121b396 | 933 | if (r < 0) |
a331b5e6 | 934 | continue; |
a331b5e6 | 935 | |
a331b5e6 JJ |
936 | r = sd_journal_add_match(j, data, length); |
937 | if (r < 0) | |
d121b396 | 938 | return r; |
a331b5e6 JJ |
939 | |
940 | r = sd_journal_seek_head(j); | |
941 | if (r < 0) | |
d121b396 | 942 | return r; |
a331b5e6 JJ |
943 | |
944 | r = sd_journal_next(j); | |
d121b396 ZJS |
945 | if (r < 0) |
946 | return r; | |
947 | else if (r == 0) | |
948 | goto flush; | |
a331b5e6 | 949 | |
f1188074 | 950 | r = sd_journal_get_realtime_usec(j, &id->first); |
a331b5e6 | 951 | if (r < 0) |
d121b396 | 952 | return r; |
a331b5e6 | 953 | |
d121b396 | 954 | if (sd_id128_equal(id->id, *boot_id)) |
a331b5e6 | 955 | ref_boot_id = *id; |
a331b5e6 | 956 | |
d121b396 ZJS |
957 | count++; |
958 | flush: | |
959 | sd_journal_flush_matches(j); | |
a331b5e6 JJ |
960 | } |
961 | ||
7ff7394d | 962 | qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp); |
a331b5e6 | 963 | |
d121b396 ZJS |
964 | if (sd_id128_equal(*boot_id, SD_ID128_NULL)) { |
965 | if (relative > (int) count || relative <= -(int)count) | |
966 | return -EADDRNOTAVAIL; | |
a331b5e6 | 967 | |
d121b396 ZJS |
968 | *boot_id = all_ids[(relative <= 0)*count + relative - 1].id; |
969 | } else { | |
970 | id = bsearch(&ref_boot_id, all_ids, count, sizeof(boot_id_t), boot_id_cmp); | |
a331b5e6 | 971 | |
d121b396 ZJS |
972 | if (!id || |
973 | relative <= 0 ? (id - all_ids) + relative < 0 : | |
a54e3b3d | 974 | (id - all_ids) + relative >= (int) count) |
d121b396 ZJS |
975 | return -EADDRNOTAVAIL; |
976 | ||
977 | *boot_id = (id + relative)->id; | |
978 | } | |
a963990f | 979 | |
a331b5e6 JJ |
980 | return 0; |
981 | } | |
982 | ||
983 | static int add_boot(sd_journal *j) { | |
984 | char match[9+32+1] = "_BOOT_ID="; | |
442e2def | 985 | int r; |
a331b5e6 JJ |
986 | |
987 | assert(j); | |
988 | ||
d121b396 | 989 | if (!arg_boot) |
a331b5e6 JJ |
990 | return 0; |
991 | ||
442e2def | 992 | if (arg_boot_offset == 0 && sd_id128_equal(arg_boot_id, SD_ID128_NULL)) |
b6741478 | 993 | return add_match_this_boot(j, arg_machine); |
a331b5e6 | 994 | |
442e2def | 995 | r = get_relative_boot_id(j, &arg_boot_id, arg_boot_offset); |
a331b5e6 | 996 | if (r < 0) { |
442e2def LP |
997 | if (sd_id128_equal(arg_boot_id, SD_ID128_NULL)) |
998 | log_error("Failed to look up boot %+i: %s", arg_boot_offset, strerror(-r)); | |
d121b396 | 999 | else |
442e2def LP |
1000 | log_error("Failed to look up boot ID "SD_ID128_FORMAT_STR"%+i: %s", |
1001 | SD_ID128_FORMAT_VAL(arg_boot_id), arg_boot_offset, strerror(-r)); | |
a331b5e6 | 1002 | return r; |
a331b5e6 JJ |
1003 | } |
1004 | ||
442e2def | 1005 | sd_id128_to_string(arg_boot_id, match + 9); |
d121b396 ZJS |
1006 | |
1007 | r = sd_journal_add_match(j, match, sizeof(match) - 1); | |
a331b5e6 JJ |
1008 | if (r < 0) { |
1009 | log_error("Failed to add match: %s", strerror(-r)); | |
1010 | return r; | |
1011 | } | |
1012 | ||
1013 | r = sd_journal_add_conjunction(j); | |
1014 | if (r < 0) | |
1015 | return r; | |
1016 | ||
1017 | return 0; | |
a963990f LP |
1018 | } |
1019 | ||
99271804 ZJS |
1020 | static int add_dmesg(sd_journal *j) { |
1021 | int r; | |
1022 | assert(j); | |
1023 | ||
1024 | if (!arg_dmesg) | |
1025 | return 0; | |
1026 | ||
1027 | r = sd_journal_add_match(j, "_TRANSPORT=kernel", strlen("_TRANSPORT=kernel")); | |
1028 | if (r < 0) { | |
1029 | log_error("Failed to add match: %s", strerror(-r)); | |
1030 | return r; | |
1031 | } | |
1032 | ||
1033 | r = sd_journal_add_conjunction(j); | |
1034 | if (r < 0) | |
1035 | return r; | |
1036 | ||
1037 | return 0; | |
1038 | } | |
1039 | ||
ea18a4b5 ZJS |
1040 | static int get_possible_units(sd_journal *j, |
1041 | const char *fields, | |
1042 | char **patterns, | |
1043 | Set **units) { | |
1044 | _cleanup_set_free_free_ Set *found; | |
1045 | const char *field; | |
c3f60ec5 | 1046 | int r; |
ea18a4b5 | 1047 | |
d5099efc | 1048 | found = set_new(&string_hash_ops); |
ea18a4b5 ZJS |
1049 | if (!found) |
1050 | return log_oom(); | |
1051 | ||
1052 | NULSTR_FOREACH(field, fields) { | |
1053 | const void *data; | |
1054 | size_t size; | |
1055 | ||
1056 | r = sd_journal_query_unique(j, field); | |
1057 | if (r < 0) | |
1058 | return r; | |
1059 | ||
1060 | SD_JOURNAL_FOREACH_UNIQUE(j, data, size) { | |
1061 | char **pattern, *eq; | |
1062 | size_t prefix; | |
1063 | _cleanup_free_ char *u = NULL; | |
1064 | ||
1065 | eq = memchr(data, '=', size); | |
1066 | if (eq) | |
1067 | prefix = eq - (char*) data + 1; | |
1068 | else | |
1069 | prefix = 0; | |
1070 | ||
1071 | u = strndup((char*) data + prefix, size - prefix); | |
1072 | if (!u) | |
1073 | return log_oom(); | |
1074 | ||
1075 | STRV_FOREACH(pattern, patterns) | |
1076 | if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) { | |
1077 | log_debug("Matched %s with pattern %s=%s", u, field, *pattern); | |
1078 | ||
1079 | r = set_consume(found, u); | |
1080 | u = NULL; | |
1081 | if (r < 0 && r != -EEXIST) | |
1082 | return r; | |
1083 | ||
1084 | break; | |
1085 | } | |
1086 | } | |
1087 | } | |
1088 | ||
1089 | *units = found; | |
1090 | found = NULL; | |
1091 | return 0; | |
1092 | } | |
1093 | ||
1094 | /* This list is supposed to return the superset of unit names | |
1095 | * possibly matched by rules added with add_matches_for_unit... */ | |
1096 | #define SYSTEM_UNITS \ | |
1097 | "_SYSTEMD_UNIT\0" \ | |
1098 | "COREDUMP_UNIT\0" \ | |
1099 | "UNIT\0" \ | |
1100 | "OBJECT_SYSTEMD_UNIT\0" \ | |
1101 | "_SYSTEMD_SLICE\0" | |
1102 | ||
1103 | /* ... and add_matches_for_user_unit */ | |
1104 | #define USER_UNITS \ | |
1105 | "_SYSTEMD_USER_UNIT\0" \ | |
1106 | "USER_UNIT\0" \ | |
1107 | "COREDUMP_USER_UNIT\0" \ | |
1108 | "OBJECT_SYSTEMD_USER_UNIT\0" | |
1109 | ||
1110 | static int add_units(sd_journal *j) { | |
1111 | _cleanup_strv_free_ char **patterns = NULL; | |
1112 | int r, count = 0; | |
b9e40524 | 1113 | char **i; |
c3f60ec5 LP |
1114 | |
1115 | assert(j); | |
1116 | ||
b9e40524 | 1117 | STRV_FOREACH(i, arg_system_units) { |
ea18a4b5 ZJS |
1118 | _cleanup_free_ char *u = NULL; |
1119 | ||
1120 | u = unit_name_mangle(*i, MANGLE_GLOB); | |
b9e40524 HH |
1121 | if (!u) |
1122 | return log_oom(); | |
ea18a4b5 ZJS |
1123 | |
1124 | if (string_is_glob(u)) { | |
1125 | r = strv_push(&patterns, u); | |
1126 | if (r < 0) | |
1127 | return r; | |
1128 | u = NULL; | |
1129 | } else { | |
1130 | r = add_matches_for_unit(j, u); | |
1131 | if (r < 0) | |
1132 | return r; | |
1133 | r = sd_journal_add_disjunction(j); | |
1134 | if (r < 0) | |
1135 | return r; | |
1136 | count ++; | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | if (!strv_isempty(patterns)) { | |
1141 | _cleanup_set_free_free_ Set *units = NULL; | |
1142 | Iterator it; | |
1143 | char *u; | |
1144 | ||
1145 | r = get_possible_units(j, SYSTEM_UNITS, patterns, &units); | |
b9e40524 HH |
1146 | if (r < 0) |
1147 | return r; | |
ea18a4b5 ZJS |
1148 | |
1149 | SET_FOREACH(u, units, it) { | |
1150 | r = add_matches_for_unit(j, u); | |
1151 | if (r < 0) | |
1152 | return r; | |
1153 | r = sd_journal_add_disjunction(j); | |
1154 | if (r < 0) | |
1155 | return r; | |
1156 | count ++; | |
1157 | } | |
b9e40524 | 1158 | } |
c3f60ec5 | 1159 | |
ea18a4b5 ZJS |
1160 | strv_free(patterns); |
1161 | patterns = NULL; | |
1162 | ||
b9e40524 | 1163 | STRV_FOREACH(i, arg_user_units) { |
ea18a4b5 ZJS |
1164 | _cleanup_free_ char *u = NULL; |
1165 | ||
1166 | u = unit_name_mangle(*i, MANGLE_GLOB); | |
b9e40524 HH |
1167 | if (!u) |
1168 | return log_oom(); | |
c3f60ec5 | 1169 | |
ea18a4b5 ZJS |
1170 | if (string_is_glob(u)) { |
1171 | r = strv_push(&patterns, u); | |
1172 | if (r < 0) | |
1173 | return r; | |
1174 | u = NULL; | |
1175 | } else { | |
1176 | r = add_matches_for_user_unit(j, u, getuid()); | |
1177 | if (r < 0) | |
1178 | return r; | |
1179 | r = sd_journal_add_disjunction(j); | |
1180 | if (r < 0) | |
1181 | return r; | |
1182 | count ++; | |
1183 | } | |
1184 | } | |
1185 | ||
1186 | if (!strv_isempty(patterns)) { | |
1187 | _cleanup_set_free_free_ Set *units = NULL; | |
1188 | Iterator it; | |
1189 | char *u; | |
b9e40524 | 1190 | |
ea18a4b5 | 1191 | r = get_possible_units(j, USER_UNITS, patterns, &units); |
b9e40524 HH |
1192 | if (r < 0) |
1193 | return r; | |
1194 | ||
ea18a4b5 ZJS |
1195 | SET_FOREACH(u, units, it) { |
1196 | r = add_matches_for_user_unit(j, u, getuid()); | |
1197 | if (r < 0) | |
1198 | return r; | |
1199 | r = sd_journal_add_disjunction(j); | |
1200 | if (r < 0) | |
1201 | return r; | |
1202 | count ++; | |
1203 | } | |
b9e40524 | 1204 | } |
c3f60ec5 | 1205 | |
ea18a4b5 ZJS |
1206 | /* Complain if the user request matches but nothing whatsoever was |
1207 | * found, since otherwise everything would be matched. */ | |
1208 | if (!(strv_isempty(arg_system_units) && strv_isempty(arg_user_units)) && count == 0) | |
1209 | return -ENODATA; | |
1210 | ||
cd34b3c6 HH |
1211 | r = sd_journal_add_conjunction(j); |
1212 | if (r < 0) | |
1213 | return r; | |
1214 | ||
c3f60ec5 LP |
1215 | return 0; |
1216 | } | |
1217 | ||
941e990d LP |
1218 | static int add_priorities(sd_journal *j) { |
1219 | char match[] = "PRIORITY=0"; | |
1220 | int i, r; | |
941e990d LP |
1221 | assert(j); |
1222 | ||
1223 | if (arg_priorities == 0xFF) | |
1224 | return 0; | |
1225 | ||
1226 | for (i = LOG_EMERG; i <= LOG_DEBUG; i++) | |
1227 | if (arg_priorities & (1 << i)) { | |
1228 | match[sizeof(match)-2] = '0' + i; | |
1229 | ||
941e990d LP |
1230 | r = sd_journal_add_match(j, match, strlen(match)); |
1231 | if (r < 0) { | |
1232 | log_error("Failed to add match: %s", strerror(-r)); | |
1233 | return r; | |
1234 | } | |
1235 | } | |
1236 | ||
cd34b3c6 HH |
1237 | r = sd_journal_add_conjunction(j); |
1238 | if (r < 0) | |
1239 | return r; | |
1240 | ||
941e990d LP |
1241 | return 0; |
1242 | } | |
1243 | ||
73083640 HH |
1244 | |
1245 | static int add_syslog_identifier(sd_journal *j) { | |
1246 | int r; | |
1247 | char **i; | |
1248 | ||
1249 | assert(j); | |
1250 | ||
1251 | STRV_FOREACH(i, arg_syslog_identifier) { | |
1252 | char *u; | |
1253 | ||
1254 | u = strappenda("SYSLOG_IDENTIFIER=", *i); | |
1255 | r = sd_journal_add_match(j, u, 0); | |
1256 | if (r < 0) | |
1257 | return r; | |
1258 | r = sd_journal_add_disjunction(j); | |
1259 | if (r < 0) | |
1260 | return r; | |
1261 | } | |
1262 | ||
1263 | r = sd_journal_add_conjunction(j); | |
1264 | if (r < 0) | |
1265 | return r; | |
1266 | ||
1267 | return 0; | |
1268 | } | |
1269 | ||
7560fffc LP |
1270 | static int setup_keys(void) { |
1271 | #ifdef HAVE_GCRYPT | |
1272 | size_t mpk_size, seed_size, state_size, i; | |
1273 | uint8_t *mpk, *seed, *state; | |
1274 | ssize_t l; | |
f982e6f7 | 1275 | int fd = -1, r, attr = 0; |
7560fffc LP |
1276 | sd_id128_t machine, boot; |
1277 | char *p = NULL, *k = NULL; | |
baed47c3 | 1278 | struct FSSHeader h; |
14d10188 | 1279 | uint64_t n; |
b98e3866 SL |
1280 | struct stat st; |
1281 | ||
1282 | r = stat("/var/log/journal", &st); | |
1283 | if (r < 0 && errno != ENOENT && errno != ENOTDIR) { | |
1284 | log_error("stat(\"%s\") failed: %m", "/var/log/journal"); | |
1285 | return -errno; | |
1286 | } | |
1287 | ||
1288 | if (r < 0 || !S_ISDIR(st.st_mode)) { | |
1289 | log_error("%s is not a directory, must be using persistent logging for FSS.", | |
1290 | "/var/log/journal"); | |
1291 | return r < 0 ? -errno : -ENOTDIR; | |
1292 | } | |
7560fffc LP |
1293 | |
1294 | r = sd_id128_get_machine(&machine); | |
1295 | if (r < 0) { | |
1296 | log_error("Failed to get machine ID: %s", strerror(-r)); | |
1297 | return r; | |
1298 | } | |
1299 | ||
1300 | r = sd_id128_get_boot(&boot); | |
1301 | if (r < 0) { | |
1302 | log_error("Failed to get boot ID: %s", strerror(-r)); | |
1303 | return r; | |
1304 | } | |
1305 | ||
baed47c3 | 1306 | if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss", |
7560fffc LP |
1307 | SD_ID128_FORMAT_VAL(machine)) < 0) |
1308 | return log_oom(); | |
1309 | ||
1310 | if (access(p, F_OK) >= 0) { | |
b8547c10 SL |
1311 | if (arg_force) { |
1312 | r = unlink(p); | |
1313 | if (r < 0) { | |
1314 | log_error("unlink(\"%s\") failed: %m", p); | |
1315 | r = -errno; | |
1316 | goto finish; | |
1317 | } | |
1318 | } else { | |
1319 | log_error("Sealing key file %s exists already. (--force to recreate)", p); | |
1320 | r = -EEXIST; | |
1321 | goto finish; | |
1322 | } | |
7560fffc LP |
1323 | } |
1324 | ||
baed47c3 | 1325 | if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX", |
7560fffc LP |
1326 | SD_ID128_FORMAT_VAL(machine)) < 0) { |
1327 | r = log_oom(); | |
1328 | goto finish; | |
1329 | } | |
1330 | ||
1331 | mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR); | |
1332 | mpk = alloca(mpk_size); | |
1333 | ||
1334 | seed_size = FSPRG_RECOMMENDED_SEEDLEN; | |
1335 | seed = alloca(seed_size); | |
1336 | ||
1337 | state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR); | |
1338 | state = alloca(state_size); | |
1339 | ||
1340 | fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
1341 | if (fd < 0) { | |
1342 | log_error("Failed to open /dev/random: %m"); | |
1343 | r = -errno; | |
1344 | goto finish; | |
1345 | } | |
1346 | ||
1347 | log_info("Generating seed..."); | |
1348 | l = loop_read(fd, seed, seed_size, true); | |
1349 | if (l < 0 || (size_t) l != seed_size) { | |
1350 | log_error("Failed to read random seed: %s", strerror(EIO)); | |
1351 | r = -EIO; | |
1352 | goto finish; | |
1353 | } | |
1354 | ||
1355 | log_info("Generating key pair..."); | |
1356 | FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR); | |
1357 | ||
baed47c3 | 1358 | log_info("Generating sealing key..."); |
7560fffc LP |
1359 | FSPRG_GenState0(state, mpk, seed, seed_size); |
1360 | ||
baed47c3 LP |
1361 | assert(arg_interval > 0); |
1362 | ||
7560fffc | 1363 | n = now(CLOCK_REALTIME); |
baed47c3 | 1364 | n /= arg_interval; |
7560fffc | 1365 | |
03e334a1 | 1366 | safe_close(fd); |
2d5bdf5b | 1367 | fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC); |
7560fffc LP |
1368 | if (fd < 0) { |
1369 | log_error("Failed to open %s: %m", k); | |
1370 | r = -errno; | |
1371 | goto finish; | |
1372 | } | |
1373 | ||
f982e6f7 LP |
1374 | /* Enable secure remove, exclusion from dump, synchronous |
1375 | * writing and in-place updating */ | |
1376 | if (ioctl(fd, FS_IOC_GETFLAGS, &attr) < 0) | |
1377 | log_warning("FS_IOC_GETFLAGS failed: %m"); | |
1378 | ||
1379 | attr |= FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL; | |
1380 | ||
1381 | if (ioctl(fd, FS_IOC_SETFLAGS, &attr) < 0) | |
1382 | log_warning("FS_IOC_SETFLAGS failed: %m"); | |
1383 | ||
7560fffc LP |
1384 | zero(h); |
1385 | memcpy(h.signature, "KSHHRHLP", 8); | |
1386 | h.machine_id = machine; | |
1387 | h.boot_id = boot; | |
1388 | h.header_size = htole64(sizeof(h)); | |
baed47c3 LP |
1389 | h.start_usec = htole64(n * arg_interval); |
1390 | h.interval_usec = htole64(arg_interval); | |
1391 | h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR); | |
1392 | h.fsprg_state_size = htole64(state_size); | |
7560fffc LP |
1393 | |
1394 | l = loop_write(fd, &h, sizeof(h), false); | |
1395 | if (l < 0 || (size_t) l != sizeof(h)) { | |
1396 | log_error("Failed to write header: %s", strerror(EIO)); | |
1397 | r = -EIO; | |
1398 | goto finish; | |
1399 | } | |
1400 | ||
1401 | l = loop_write(fd, state, state_size, false); | |
1402 | if (l < 0 || (size_t) l != state_size) { | |
1403 | log_error("Failed to write state: %s", strerror(EIO)); | |
1404 | r = -EIO; | |
1405 | goto finish; | |
1406 | } | |
1407 | ||
1408 | if (link(k, p) < 0) { | |
1409 | log_error("Failed to link file: %m"); | |
1410 | r = -errno; | |
1411 | goto finish; | |
1412 | } | |
1413 | ||
8481248b | 1414 | if (on_tty()) { |
7560fffc LP |
1415 | fprintf(stderr, |
1416 | "\n" | |
baed47c3 | 1417 | "The new key pair has been generated. The " ANSI_HIGHLIGHT_ON "secret sealing key" ANSI_HIGHLIGHT_OFF " has been written to\n" |
c05276f2 LP |
1418 | "the following local file. This key file is automatically updated when the\n" |
1419 | "sealing key is advanced. It should not be used on multiple hosts.\n" | |
7560fffc LP |
1420 | "\n" |
1421 | "\t%s\n" | |
1422 | "\n" | |
baed47c3 LP |
1423 | "Please write down the following " ANSI_HIGHLIGHT_ON "secret verification key" ANSI_HIGHLIGHT_OFF ". It should be stored\n" |
1424 | "at a safe location and should not be saved locally on disk.\n" | |
7560fffc LP |
1425 | "\n\t" ANSI_HIGHLIGHT_RED_ON, p); |
1426 | fflush(stderr); | |
1427 | } | |
1428 | for (i = 0; i < seed_size; i++) { | |
1429 | if (i > 0 && i % 3 == 0) | |
1430 | putchar('-'); | |
1431 | printf("%02x", ((uint8_t*) seed)[i]); | |
1432 | } | |
1433 | ||
baed47c3 LP |
1434 | printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval); |
1435 | ||
8481248b | 1436 | if (on_tty()) { |
f6a971bc | 1437 | char tsb[FORMAT_TIMESPAN_MAX], *hn; |
7560fffc | 1438 | |
baed47c3 LP |
1439 | fprintf(stderr, |
1440 | ANSI_HIGHLIGHT_OFF "\n" | |
1441 | "The sealing key is automatically changed every %s.\n", | |
2fa4092c | 1442 | format_timespan(tsb, sizeof(tsb), arg_interval, 0)); |
f6a971bc LP |
1443 | |
1444 | hn = gethostname_malloc(); | |
1445 | ||
1446 | if (hn) { | |
e724b063 | 1447 | hostname_cleanup(hn, false); |
adac1c93 | 1448 | fprintf(stderr, "\nThe keys have been generated for host %s/" SD_ID128_FORMAT_STR ".\n", hn, SD_ID128_FORMAT_VAL(machine)); |
f6a971bc | 1449 | } else |
adac1c93 | 1450 | fprintf(stderr, "\nThe keys have been generated for host " SD_ID128_FORMAT_STR ".\n", SD_ID128_FORMAT_VAL(machine)); |
f6a971bc LP |
1451 | |
1452 | #ifdef HAVE_QRENCODE | |
cf5a3432 | 1453 | /* If this is not an UTF-8 system don't print any QR codes */ |
09017585 | 1454 | if (is_locale_utf8()) { |
cf5a3432 LP |
1455 | fputs("\nTo transfer the verification key to your phone please scan the QR code below:\n\n", stderr); |
1456 | print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine); | |
1457 | } | |
f6a971bc LP |
1458 | #endif |
1459 | free(hn); | |
baed47c3 | 1460 | } |
7560fffc LP |
1461 | |
1462 | r = 0; | |
1463 | ||
1464 | finish: | |
03e334a1 | 1465 | safe_close(fd); |
7560fffc LP |
1466 | |
1467 | if (k) { | |
1468 | unlink(k); | |
1469 | free(k); | |
1470 | } | |
1471 | ||
1472 | free(p); | |
1473 | ||
1474 | return r; | |
1475 | #else | |
feb12d3e LP |
1476 | log_error("Forward-secure sealing not available."); |
1477 | return -ENOTSUP; | |
7560fffc LP |
1478 | #endif |
1479 | } | |
1480 | ||
beec0085 LP |
1481 | static int verify(sd_journal *j) { |
1482 | int r = 0; | |
1483 | Iterator i; | |
1484 | JournalFile *f; | |
1485 | ||
1486 | assert(j); | |
1487 | ||
cedb42bb LP |
1488 | log_show_color(true); |
1489 | ||
beec0085 LP |
1490 | HASHMAP_FOREACH(f, j->files, i) { |
1491 | int k; | |
2a7b539a | 1492 | usec_t first, validated, last; |
beec0085 | 1493 | |
56e81f7c | 1494 | #ifdef HAVE_GCRYPT |
feb12d3e | 1495 | if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) |
cedb42bb | 1496 | log_notice("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path); |
56e81f7c | 1497 | #endif |
4da416aa | 1498 | |
2a7b539a | 1499 | k = journal_file_verify(f, arg_verify_key, &first, &validated, &last, true); |
56e81f7c | 1500 | if (k == -EINVAL) { |
baed47c3 | 1501 | /* If the key was invalid give up right-away. */ |
56e81f7c LP |
1502 | return k; |
1503 | } else if (k < 0) { | |
beec0085 | 1504 | log_warning("FAIL: %s (%s)", f->path, strerror(-k)); |
56e81f7c | 1505 | r = k; |
6c7be122 LP |
1506 | } else { |
1507 | char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX], c[FORMAT_TIMESPAN_MAX]; | |
beec0085 | 1508 | log_info("PASS: %s", f->path); |
6c7be122 | 1509 | |
c0ca7aee | 1510 | if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) { |
2a7b539a | 1511 | if (validated > 0) { |
c0ca7aee | 1512 | log_info("=> Validated from %s to %s, final %s entries not sealed.", |
5ab99e07 LP |
1513 | format_timestamp_maybe_utc(a, sizeof(a), first), |
1514 | format_timestamp_maybe_utc(b, sizeof(b), validated), | |
2fa4092c | 1515 | format_timespan(c, sizeof(c), last > validated ? last - validated : 0, 0)); |
2a7b539a | 1516 | } else if (last > 0) |
c0ca7aee | 1517 | log_info("=> No sealing yet, %s of entries not sealed.", |
2fa4092c | 1518 | format_timespan(c, sizeof(c), last - first, 0)); |
c0ca7aee LP |
1519 | else |
1520 | log_info("=> No sealing yet, no entries in file."); | |
1521 | } | |
6c7be122 | 1522 | } |
beec0085 LP |
1523 | } |
1524 | ||
1525 | return r; | |
1526 | } | |
1527 | ||
15804ceb | 1528 | #ifdef HAVE_ACL |
6fe391c5 ZJS |
1529 | static int access_check_var_log_journal(sd_journal *j) { |
1530 | _cleanup_strv_free_ char **g = NULL; | |
1531 | bool have_access; | |
1532 | int r; | |
1533 | ||
1534 | assert(j); | |
1535 | ||
1536 | have_access = in_group("systemd-journal") > 0; | |
1537 | ||
1538 | if (!have_access) { | |
1539 | /* Let's enumerate all groups from the default ACL of | |
1540 | * the directory, which generally should allow access | |
1541 | * to most journal files too */ | |
1542 | r = search_acl_groups(&g, "/var/log/journal/", &have_access); | |
1543 | if (r < 0) | |
1544 | return r; | |
15804ceb LP |
1545 | } |
1546 | ||
6fe391c5 | 1547 | if (!have_access) { |
4468addc | 1548 | |
6fe391c5 | 1549 | if (strv_isempty(g)) |
3ac251b8 LP |
1550 | log_notice("Hint: You are currently not seeing messages from other users and the system.\n" |
1551 | " Users in the 'systemd-journal' group can see all messages. Pass -q to\n" | |
1552 | " turn off this notice."); | |
6fe391c5 ZJS |
1553 | else { |
1554 | _cleanup_free_ char *s = NULL; | |
4468addc | 1555 | |
6fe391c5 | 1556 | r = strv_extend(&g, "systemd-journal"); |
478c8269 | 1557 | if (r < 0) |
6fe391c5 ZJS |
1558 | return log_oom(); |
1559 | ||
1560 | strv_sort(g); | |
1561 | strv_uniq(g); | |
1562 | ||
1563 | s = strv_join(g, "', '"); | |
1564 | if (!s) | |
1565 | return log_oom(); | |
1566 | ||
1567 | log_notice("Hint: You are currently not seeing messages from other users and the system.\n" | |
3ac251b8 LP |
1568 | " Users in the groups '%s' can see all messages.\n" |
1569 | " Pass -q to turn off this notice.", s); | |
4468addc | 1570 | } |
6fe391c5 | 1571 | } |
4468addc | 1572 | |
6fe391c5 ZJS |
1573 | return 0; |
1574 | } | |
1575 | #endif | |
4468addc | 1576 | |
6fe391c5 | 1577 | static int access_check(sd_journal *j) { |
6fe391c5 | 1578 | Iterator it; |
3ac251b8 | 1579 | void *code; |
6fe391c5 | 1580 | int r = 0; |
4468addc | 1581 | |
6fe391c5 | 1582 | assert(j); |
4468addc | 1583 | |
6fe391c5 ZJS |
1584 | if (set_isempty(j->errors)) { |
1585 | if (hashmap_isempty(j->files)) | |
3ac251b8 | 1586 | log_notice("No journal files were found."); |
6fe391c5 ZJS |
1587 | return 0; |
1588 | } | |
4468addc | 1589 | |
3ac251b8 | 1590 | if (set_contains(j->errors, INT_TO_PTR(-EACCES))) { |
6fe391c5 ZJS |
1591 | #ifdef HAVE_ACL |
1592 | /* If /var/log/journal doesn't even exist, | |
3ac251b8 | 1593 | * unprivileged users have no access at all */ |
6fe391c5 ZJS |
1594 | if (access("/var/log/journal", F_OK) < 0 && |
1595 | geteuid() != 0 && | |
1596 | in_group("systemd-journal") <= 0) { | |
3ac251b8 LP |
1597 | log_error("Unprivileged users cannot access messages, unless persistent log storage is\n" |
1598 | "enabled. Users in the 'systemd-journal' group may always access messages."); | |
6fe391c5 ZJS |
1599 | return -EACCES; |
1600 | } | |
4468addc | 1601 | |
6fe391c5 ZJS |
1602 | /* If /var/log/journal exists, try to pring a nice |
1603 | notice if the user lacks access to it */ | |
1604 | if (!arg_quiet && geteuid() != 0) { | |
1605 | r = access_check_var_log_journal(j); | |
1606 | if (r < 0) | |
1607 | return r; | |
4468addc | 1608 | } |
15804ceb | 1609 | #else |
3ac251b8 LP |
1610 | if (geteuid() != 0 && in_group("systemd-journal") <= 0) { |
1611 | log_error("Unprivileged users cannot access messages. Users in the 'systemd-journal' group\n" | |
1612 | "group may access messages."); | |
1613 | return -EACCES; | |
1614 | } | |
15804ceb | 1615 | #endif |
3ac251b8 | 1616 | |
6fe391c5 | 1617 | if (hashmap_isempty(j->files)) { |
3ac251b8 | 1618 | log_error("No journal files were opened due to insufficient permissions."); |
6fe391c5 ZJS |
1619 | r = -EACCES; |
1620 | } | |
1621 | } | |
15804ceb | 1622 | |
6fe391c5 | 1623 | SET_FOREACH(code, j->errors, it) { |
3ac251b8 LP |
1624 | int err; |
1625 | ||
1626 | err = -PTR_TO_INT(code); | |
6fe391c5 | 1627 | assert(err > 0); |
3ac251b8 | 1628 | |
6fe391c5 ZJS |
1629 | if (err != EACCES) |
1630 | log_warning("Error was encountered while opening journal files: %s", | |
1631 | strerror(err)); | |
1632 | } | |
1633 | ||
6fe391c5 | 1634 | return r; |
15804ceb LP |
1635 | } |
1636 | ||
a963990f LP |
1637 | int main(int argc, char *argv[]) { |
1638 | int r; | |
289f910e | 1639 | _cleanup_journal_close_ sd_journal *j = NULL; |
a963990f | 1640 | bool need_seek = false; |
14a65d65 | 1641 | sd_id128_t previous_boot_id; |
67e04a48 ZJS |
1642 | bool previous_boot_id_valid = false, first_line = true; |
1643 | int n_shown = 0; | |
94e0bd7d | 1644 | bool ellipsized = false; |
a963990f | 1645 | |
a9cdc94f | 1646 | setlocale(LC_ALL, ""); |
a963990f LP |
1647 | log_parse_environment(); |
1648 | log_open(); | |
1649 | ||
1650 | r = parse_argv(argc, argv); | |
1651 | if (r <= 0) | |
1652 | goto finish; | |
1653 | ||
ed757c0c LP |
1654 | signal(SIGWINCH, columns_lines_cache_reset); |
1655 | ||
7560fffc | 1656 | if (arg_action == ACTION_NEW_ID128) { |
a963990f LP |
1657 | r = generate_new_id128(); |
1658 | goto finish; | |
1659 | } | |
1660 | ||
7560fffc LP |
1661 | if (arg_action == ACTION_SETUP_KEYS) { |
1662 | r = setup_keys(); | |
1663 | goto finish; | |
1664 | } | |
1665 | ||
844ec79b ZJS |
1666 | if (arg_action == ACTION_UPDATE_CATALOG || |
1667 | arg_action == ACTION_LIST_CATALOG || | |
1668 | arg_action == ACTION_DUMP_CATALOG) { | |
1669 | ||
0c6ea3a4 ZJS |
1670 | _cleanup_free_ char *database; |
1671 | ||
1672 | database = path_join(arg_root, CATALOG_DATABASE, NULL); | |
1673 | if (!database) { | |
1674 | r = log_oom(); | |
1675 | goto finish; | |
13cbf3a5 ZJS |
1676 | } |
1677 | ||
844ec79b | 1678 | if (arg_action == ACTION_UPDATE_CATALOG) { |
13cbf3a5 | 1679 | r = catalog_update(database, arg_root, catalog_file_dirs); |
844ec79b ZJS |
1680 | if (r < 0) |
1681 | log_error("Failed to list catalog: %s", strerror(-r)); | |
1682 | } else { | |
1683 | bool oneline = arg_action == ACTION_LIST_CATALOG; | |
1684 | ||
1685 | if (optind < argc) | |
13cbf3a5 | 1686 | r = catalog_list_items(stdout, database, |
844ec79b ZJS |
1687 | oneline, argv + optind); |
1688 | else | |
13cbf3a5 | 1689 | r = catalog_list(stdout, database, oneline); |
844ec79b ZJS |
1690 | if (r < 0) |
1691 | log_error("Failed to list catalog: %s", strerror(-r)); | |
1692 | } | |
d4205751 | 1693 | |
d4205751 LP |
1694 | goto finish; |
1695 | } | |
1696 | ||
a963990f | 1697 | if (arg_directory) |
3f3a438f | 1698 | r = sd_journal_open_directory(&j, arg_directory, arg_journal_type); |
8d98da3f ZJS |
1699 | else if (arg_file) |
1700 | r = sd_journal_open_files(&j, (const char**) arg_file, 0); | |
b6741478 LP |
1701 | else if (arg_machine) |
1702 | r = sd_journal_open_container(&j, arg_machine, 0); | |
a963990f | 1703 | else |
3f3a438f | 1704 | r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); |
a963990f | 1705 | if (r < 0) { |
8d98da3f ZJS |
1706 | log_error("Failed to open %s: %s", |
1707 | arg_directory ? arg_directory : arg_file ? "files" : "journal", | |
1708 | strerror(-r)); | |
763c7aa2 | 1709 | return EXIT_FAILURE; |
a963990f LP |
1710 | } |
1711 | ||
6fe391c5 ZJS |
1712 | r = access_check(j); |
1713 | if (r < 0) | |
1714 | return EXIT_FAILURE; | |
1715 | ||
beec0085 LP |
1716 | if (arg_action == ACTION_VERIFY) { |
1717 | r = verify(j); | |
1718 | goto finish; | |
1719 | } | |
1720 | ||
7560fffc | 1721 | if (arg_action == ACTION_PRINT_HEADER) { |
dca6219e | 1722 | journal_print_header(j); |
763c7aa2 | 1723 | return EXIT_SUCCESS; |
dca6219e LP |
1724 | } |
1725 | ||
a1a03e30 | 1726 | if (arg_action == ACTION_DISK_USAGE) { |
39883f62 | 1727 | uint64_t bytes = 0; |
a1a03e30 LP |
1728 | char sbytes[FORMAT_BYTES_MAX]; |
1729 | ||
1730 | r = sd_journal_get_usage(j, &bytes); | |
1731 | if (r < 0) | |
763c7aa2 | 1732 | return EXIT_FAILURE; |
a1a03e30 | 1733 | |
763c7aa2 ZJS |
1734 | printf("Journals take up %s on disk.\n", |
1735 | format_bytes(sbytes, sizeof(sbytes), bytes)); | |
1736 | return EXIT_SUCCESS; | |
a1a03e30 LP |
1737 | } |
1738 | ||
f1188074 ZJS |
1739 | if (arg_action == ACTION_LIST_BOOTS) { |
1740 | r = list_boots(j); | |
1741 | goto finish; | |
1742 | } | |
1743 | ||
a331b5e6 JJ |
1744 | /* add_boot() must be called first! |
1745 | * It may need to seek the journal to find parent boot IDs. */ | |
1746 | r = add_boot(j); | |
a963990f | 1747 | if (r < 0) |
763c7aa2 | 1748 | return EXIT_FAILURE; |
a963990f | 1749 | |
99271804 ZJS |
1750 | r = add_dmesg(j); |
1751 | if (r < 0) | |
1752 | return EXIT_FAILURE; | |
1753 | ||
b9e40524 HH |
1754 | r = add_units(j); |
1755 | strv_free(arg_system_units); | |
1756 | strv_free(arg_user_units); | |
1757 | ||
ea18a4b5 ZJS |
1758 | if (r < 0) { |
1759 | log_error("Failed to add filter for units: %s", strerror(-r)); | |
763c7aa2 | 1760 | return EXIT_FAILURE; |
ea18a4b5 | 1761 | } |
c3f60ec5 | 1762 | |
73083640 HH |
1763 | r = add_syslog_identifier(j); |
1764 | if (r < 0) { | |
1765 | log_error("Failed to add filter for syslog identifiers: %s", strerror(-r)); | |
1766 | return EXIT_FAILURE; | |
1767 | } | |
1768 | ||
cd34b3c6 | 1769 | r = add_priorities(j); |
ea18a4b5 ZJS |
1770 | if (r < 0) { |
1771 | log_error("Failed to add filter for priorities: %s", strerror(-r)); | |
763c7aa2 | 1772 | return EXIT_FAILURE; |
ea18a4b5 | 1773 | } |
a963990f | 1774 | |
cd34b3c6 | 1775 | r = add_matches(j, argv + optind); |
ea18a4b5 ZJS |
1776 | if (r < 0) { |
1777 | log_error("Failed to add filters: %s", strerror(-r)); | |
763c7aa2 | 1778 | return EXIT_FAILURE; |
ea18a4b5 | 1779 | } |
941e990d | 1780 | |
4ad16808 ZJS |
1781 | if (_unlikely_(log_get_max_level() >= LOG_PRI(LOG_DEBUG))) { |
1782 | _cleanup_free_ char *filter; | |
1783 | ||
1784 | filter = journal_make_match_string(j); | |
1785 | log_debug("Journal filter: %s", filter); | |
1786 | } | |
67e04a48 | 1787 | |
15119c16 LP |
1788 | if (arg_field) { |
1789 | const void *data; | |
1790 | size_t size; | |
1791 | ||
21ae4593 ZJS |
1792 | r = sd_journal_set_data_threshold(j, 0); |
1793 | if (r < 0) { | |
1794 | log_error("Failed to unset data size threshold"); | |
1795 | return EXIT_FAILURE; | |
1796 | } | |
1797 | ||
15119c16 LP |
1798 | r = sd_journal_query_unique(j, arg_field); |
1799 | if (r < 0) { | |
1800 | log_error("Failed to query unique data objects: %s", strerror(-r)); | |
763c7aa2 | 1801 | return EXIT_FAILURE; |
15119c16 LP |
1802 | } |
1803 | ||
1804 | SD_JOURNAL_FOREACH_UNIQUE(j, data, size) { | |
1805 | const void *eq; | |
1806 | ||
67e04a48 | 1807 | if (arg_lines >= 0 && n_shown >= arg_lines) |
fd6e8875 LP |
1808 | break; |
1809 | ||
15119c16 LP |
1810 | eq = memchr(data, '=', size); |
1811 | if (eq) | |
1812 | printf("%.*s\n", (int) (size - ((const uint8_t*) eq - (const uint8_t*) data + 1)), (const char*) eq + 1); | |
1813 | else | |
1814 | printf("%.*s\n", (int) size, (const char*) data); | |
fd6e8875 LP |
1815 | |
1816 | n_shown ++; | |
15119c16 LP |
1817 | } |
1818 | ||
763c7aa2 | 1819 | return EXIT_SUCCESS; |
15119c16 LP |
1820 | } |
1821 | ||
8d98da3f ZJS |
1822 | /* Opening the fd now means the first sd_journal_wait() will actually wait */ |
1823 | if (arg_follow) { | |
1824 | r = sd_journal_get_fd(j); | |
1825 | if (r < 0) | |
1826 | return EXIT_FAILURE; | |
1827 | } | |
1828 | ||
248fc619 | 1829 | if (arg_cursor || arg_after_cursor) { |
eacbb4d3 | 1830 | r = sd_journal_seek_cursor(j, arg_cursor ?: arg_after_cursor); |
08984293 | 1831 | if (r < 0) { |
cfbc22ab | 1832 | log_error("Failed to seek to cursor: %s", strerror(-r)); |
763c7aa2 | 1833 | return EXIT_FAILURE; |
08984293 | 1834 | } |
d89d6c86 | 1835 | if (!arg_reverse) |
248fc619 | 1836 | r = sd_journal_next_skip(j, 1 + !!arg_after_cursor); |
d89d6c86 | 1837 | else |
248fc619 ZJS |
1838 | r = sd_journal_previous_skip(j, 1 + !!arg_after_cursor); |
1839 | ||
1840 | if (arg_after_cursor && r < 2 && !arg_follow) | |
1841 | /* We couldn't find the next entry after the cursor. */ | |
1842 | arg_lines = 0; | |
08984293 | 1843 | |
d89d6c86 | 1844 | } else if (arg_since_set && !arg_reverse) { |
cfbc22ab | 1845 | r = sd_journal_seek_realtime_usec(j, arg_since); |
8f14c832 | 1846 | if (r < 0) { |
cfbc22ab | 1847 | log_error("Failed to seek to date: %s", strerror(-r)); |
763c7aa2 | 1848 | return EXIT_FAILURE; |
8f14c832 | 1849 | } |
8f14c832 LP |
1850 | r = sd_journal_next(j); |
1851 | ||
d89d6c86 LN |
1852 | } else if (arg_until_set && arg_reverse) { |
1853 | r = sd_journal_seek_realtime_usec(j, arg_until); | |
1854 | if (r < 0) { | |
1855 | log_error("Failed to seek to date: %s", strerror(-r)); | |
763c7aa2 | 1856 | return EXIT_FAILURE; |
d89d6c86 LN |
1857 | } |
1858 | r = sd_journal_previous(j); | |
1859 | ||
67e04a48 | 1860 | } else if (arg_lines >= 0) { |
2100675e LP |
1861 | r = sd_journal_seek_tail(j); |
1862 | if (r < 0) { | |
1863 | log_error("Failed to seek to tail: %s", strerror(-r)); | |
763c7aa2 | 1864 | return EXIT_FAILURE; |
2100675e LP |
1865 | } |
1866 | ||
1867 | r = sd_journal_previous_skip(j, arg_lines); | |
8f14c832 | 1868 | |
d89d6c86 LN |
1869 | } else if (arg_reverse) { |
1870 | r = sd_journal_seek_tail(j); | |
1871 | if (r < 0) { | |
1872 | log_error("Failed to seek to tail: %s", strerror(-r)); | |
763c7aa2 | 1873 | return EXIT_FAILURE; |
d89d6c86 LN |
1874 | } |
1875 | ||
1876 | r = sd_journal_previous(j); | |
1877 | ||
2100675e LP |
1878 | } else { |
1879 | r = sd_journal_seek_head(j); | |
1880 | if (r < 0) { | |
1881 | log_error("Failed to seek to head: %s", strerror(-r)); | |
763c7aa2 | 1882 | return EXIT_FAILURE; |
2100675e | 1883 | } |
6f003b43 LP |
1884 | |
1885 | r = sd_journal_next(j); | |
1886 | } | |
1887 | ||
1888 | if (r < 0) { | |
1889 | log_error("Failed to iterate through journal: %s", strerror(-r)); | |
763c7aa2 | 1890 | return EXIT_FAILURE; |
50f20cfd | 1891 | } |
87d2c1ff | 1892 | |
faf5077f DH |
1893 | if (!arg_follow) |
1894 | pager_open_if_enabled(); | |
0d43c694 | 1895 | |
cfbc22ab LP |
1896 | if (!arg_quiet) { |
1897 | usec_t start, end; | |
1898 | char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX]; | |
1899 | ||
1900 | r = sd_journal_get_cutoff_realtime_usec(j, &start, &end); | |
1901 | if (r < 0) { | |
1902 | log_error("Failed to get cutoff: %s", strerror(-r)); | |
1903 | goto finish; | |
1904 | } | |
1905 | ||
1906 | if (r > 0) { | |
1907 | if (arg_follow) | |
9048b11f | 1908 | printf("-- Logs begin at %s. --\n", |
5ab99e07 | 1909 | format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start)); |
cfbc22ab | 1910 | else |
9048b11f | 1911 | printf("-- Logs begin at %s, end at %s. --\n", |
5ab99e07 LP |
1912 | format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start), |
1913 | format_timestamp_maybe_utc(end_buf, sizeof(end_buf), end)); | |
cfbc22ab LP |
1914 | } |
1915 | } | |
1916 | ||
50f20cfd | 1917 | for (;;) { |
67e04a48 | 1918 | while (arg_lines < 0 || n_shown < arg_lines || (arg_follow && !first_line)) { |
cfbc22ab LP |
1919 | int flags; |
1920 | ||
6f003b43 | 1921 | if (need_seek) { |
99613ec5 | 1922 | if (!arg_reverse) |
d89d6c86 LN |
1923 | r = sd_journal_next(j); |
1924 | else | |
1925 | r = sd_journal_previous(j); | |
6f003b43 LP |
1926 | if (r < 0) { |
1927 | log_error("Failed to iterate through journal: %s", strerror(-r)); | |
1928 | goto finish; | |
1929 | } | |
a72b6353 ZJS |
1930 | if (r == 0) |
1931 | break; | |
0d43c694 LP |
1932 | } |
1933 | ||
d89d6c86 | 1934 | if (arg_until_set && !arg_reverse) { |
cfbc22ab LP |
1935 | usec_t usec; |
1936 | ||
1937 | r = sd_journal_get_realtime_usec(j, &usec); | |
1938 | if (r < 0) { | |
1939 | log_error("Failed to determine timestamp: %s", strerror(-r)); | |
1940 | goto finish; | |
1941 | } | |
3ba09ee8 PF |
1942 | if (usec > arg_until) |
1943 | goto finish; | |
cfbc22ab LP |
1944 | } |
1945 | ||
d89d6c86 LN |
1946 | if (arg_since_set && arg_reverse) { |
1947 | usec_t usec; | |
1948 | ||
1949 | r = sd_journal_get_realtime_usec(j, &usec); | |
1950 | if (r < 0) { | |
1951 | log_error("Failed to determine timestamp: %s", strerror(-r)); | |
1952 | goto finish; | |
1953 | } | |
1954 | if (usec < arg_since) | |
1955 | goto finish; | |
1956 | } | |
1957 | ||
4bed2485 | 1958 | if (!arg_merge && !arg_quiet) { |
cd931c0a | 1959 | sd_id128_t boot_id; |
14a65d65 | 1960 | |
cd931c0a LP |
1961 | r = sd_journal_get_monotonic_usec(j, NULL, &boot_id); |
1962 | if (r >= 0) { | |
1963 | if (previous_boot_id_valid && | |
1964 | !sd_id128_equal(boot_id, previous_boot_id)) | |
0b5a519c DS |
1965 | printf("%s-- Reboot --%s\n", |
1966 | ansi_highlight(), ansi_highlight_off()); | |
cd931c0a LP |
1967 | |
1968 | previous_boot_id = boot_id; | |
1969 | previous_boot_id_valid = true; | |
1970 | } | |
14a65d65 LP |
1971 | } |
1972 | ||
cfbc22ab | 1973 | flags = |
cd4b13e0 | 1974 | arg_all * OUTPUT_SHOW_ALL | |
2b8f6883 | 1975 | arg_full * OUTPUT_FULL_WIDTH | |
d4205751 | 1976 | on_tty() * OUTPUT_COLOR | |
9fd29044 JS |
1977 | arg_catalog * OUTPUT_CATALOG | |
1978 | arg_utc * OUTPUT_UTC; | |
cfbc22ab | 1979 | |
94e0bd7d | 1980 | r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized); |
a72b6353 ZJS |
1981 | need_seek = true; |
1982 | if (r == -EADDRNOTAVAIL) | |
1983 | break; | |
1984 | else if (r < 0 || ferror(stdout)) | |
72f59706 | 1985 | goto finish; |
6f003b43 | 1986 | |
cfbc22ab | 1987 | n_shown++; |
87d2c1ff LP |
1988 | } |
1989 | ||
248fc619 ZJS |
1990 | if (!arg_follow) { |
1991 | if (arg_show_cursor) { | |
1992 | _cleanup_free_ char *cursor = NULL; | |
1993 | ||
1994 | r = sd_journal_get_cursor(j, &cursor); | |
1995 | if (r < 0 && r != -EADDRNOTAVAIL) | |
1996 | log_error("Failed to get cursor: %s", strerror(-r)); | |
1997 | else if (r >= 0) | |
1998 | printf("-- cursor: %s\n", cursor); | |
1999 | } | |
2000 | ||
50f20cfd | 2001 | break; |
248fc619 | 2002 | } |
50f20cfd | 2003 | |
e02d1cf7 | 2004 | r = sd_journal_wait(j, (uint64_t) -1); |
50f20cfd | 2005 | if (r < 0) { |
7a69007a | 2006 | log_error("Couldn't wait for journal event: %s", strerror(-r)); |
50f20cfd LP |
2007 | goto finish; |
2008 | } | |
67e04a48 ZJS |
2009 | |
2010 | first_line = false; | |
de190aef | 2011 | } |
87d2c1ff LP |
2012 | |
2013 | finish: | |
0d43c694 LP |
2014 | pager_close(); |
2015 | ||
a36b8deb ZJS |
2016 | strv_free(arg_file); |
2017 | ||
3fbf9cbb | 2018 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
87d2c1ff | 2019 | } |